public class Mythread {
    public static void main(String[] args)throws InterruptedException{
        Thread t = new Thread(()->{
            while (true){
                System.out.println("hell thread");
                try{
                   Thread.sleep(1000);
                }catch (InterruptedException e){
                   throw new RuntimeException(e);
                }
            }
        });
        t.start();
        while (true){
            System.out.println("hello main");
            Thread.sleep(1000);
        }
    }
}
